Obsidian bifaces points from PALM 2

This file contains information relating to obsidian biface points (code 61) from PALM 2 survey. Data were recorded by A.J. Vonarx, but variable documentation is not written.本文件包含来自PALM 2调查的编码为61的黑曜石双面尖状器（obsidian biface points）相关信息。该数据集由A.J.·冯阿克斯记录，但尚未编写变量说明文档。